<template>
  <ul class="app-header-nav">
        <li class="home"><RouterLink to="/">首页</RouterLink></li>
        <li
          v-for="item in list"
          :key="item.id"
          @mousemove="$store.commit('category/show',item)"
          @mouseleave="$store.commit('category/hide',item)"
          @click="$store.commit('category/hide',item)"
          >
            <RouterLink :to="`/category/${item.id}`">{{item.name}}</RouterLink>
            <div class="layer" :class="{open:item.open}">
              <ul>
                <li
                  v-for="item2 in item.children"
                  :key="item2.id"
                  @click="$store.commit('category/hide',item)"
                  >
                  <RouterLink :to="`/category/sub/${item2.id}`">
                    <img
                      :src="item2.picture"
                      alt="">
                    <p>{{item2.name}}</p>
                  </RouterLink>
                </li>
              </ul>
            </div>
        </li>
      </ul>
</template>

<script>
/* import { findAllcategory } from '@/api/category'
import { ref } from 'vue' */
import { toRefs } from 'vue'
import { useStore } from 'vuex'
export default {
  name: 'AppHeaderNav',
  setup () {
    const store = useStore()
    store.dispatch('category/getlist')
    return { ...toRefs(store.state.category) }
  }
}
</script>

<style scoped lang='less'>
.app-header-nav {
  width: 820px;
  display: flex;
  justify-content: space-around;
  padding-left: 40px;
  position: relative;
  z-index: 998;
  > li {
    margin-right: 40px;
    width: 38px;
    text-align: center;
    > a {
      font-size: 16px;
      line-height: 32px;
      height: 32px;
      display: inline-block;
    }
    &:hover {
      > a {
        color: @xtxColor;
        border-bottom: 1px solid @xtxColor;
      }

    }
  }
}

// 子分类
.layer {
 // 如果 layer 自己身上有 open 类名，就显示 layer 层
  &.open {
    height: 132px;
    opacity: 1;
  }
  width: 1240px;
  background-color: #fff;
  position: absolute;
  left: -200px;
  top: 56px;
  height: 0;
  overflow: hidden;
  opacity: 0;
  box-shadow: 0 0 5px #ccc;
  transition: all .2s .1s;
  ul {
    display: flex;
    flex-wrap: wrap;
    padding: 0 70px;
    align-items: center;
    height: 132px;
    li {
      width: 110px;
      text-align: center;
      img {
        width: 60px;
        height: 60px;
      }
      p {
        padding-top: 10px;
      }
      &:hover {
        p {
          color: @xtxColor;
        }
      }
    }
  }
}
</style>
